11249938 has 16 divisors (see below), whose sum is σ = 20301120. Its totient is φ = 4567536.

The previous prime is 11249933. The next prime is 11249951. The reversal of 11249938 is 83994211.

It is a super-2 number, since 2×11249938² = 253122210007688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11249897 and 11249906.

It is not an unprimeable number, because it can be changed into a prime (11249933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20881 + ... + 21412.

It is an arithmetic number, because the mean of its divisors is an integer number (1268820).

Almost surely, 2^11249938 is an apocalyptic number.

11249938 is a deficient number, since it is larger than the sum of its proper divisors (9051182).

11249938 is a wasteful number, since it uses less digits than its factorization.

11249938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42321.

The product of its digits is 15552, while the sum is 37.

The square root of 11249938 is about 3354.0927238226. The cubic root of 11249938 is about 224.0698257018.

The spelling of 11249938 in words is "eleven million, two hundred forty-nine thousand, nine hundred thirty-eight".